[in-suh-luh, ins-yuh-]
noun, plural in·su·lae [in-suh-lee, ins-yuh-] /ˈɪn səˌli, ˈɪns yə-/. Anatomy.
  1. a group of convolutions situated at the base of the lateral fissure of the brain.

Origin of insula

1825–35; < New Latin, Latin: island; cf. isle
Also called Island of Reil. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for insulae

Historical Examples of insulae

  • The plan has been thought to imply 'insulae' twice as large as those of Timgad.

  • In most towns, though not in all, the dimensions of the 'insulae' show a common element.

  • Whether there were other 'insulae' besides the fifteen is doubtful.

  • If the Graeco-Macedonian fashion be quoted as precedent for square or squarish 'insulae', the Terremare show the same.

  • In this system perhaps the most peculiar feature is the intermixture of square and oblong 'insulae'.

British Dictionary definitions for insulae


noun plural -lae (-ˌliː)
  1. a pyramid-shaped area of the brain within each cerebral hemisphere beneath parts of the frontal and temporal lobesAlso called: island of Reil

Word Origin for insula

Latin, literally: island
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for insulae



Latin, literally "an island" (also, in ancient Rome, "a block of buildings"); see isle.

Online Etymology Dictionary, © 2010 Douglas Harper

insulae in Medicine


[ĭnsə-lə, ĭnsyə-]
n. pl. -lae (-lē′)
  1. Island.
  2. A circumscribed body or patch on the skin.
  3. island of Reil
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.